RockyLinux 9 : podman (RLSA-2026:69961)

high Nessus Plugin ID 349528

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Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:69961 advisory.

* podman: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)

* podman: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)

* podman: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859)

* podman: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)

* podman: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)

* podman: Quadlet install --replace non-truncating write retains removed host-access directives (CVE-2026-19730)

* podman: golang.org/x/crypto/ssh: Denial of Service via resource leak from unsolicited SSH responses (CVE-2026-39830)

* podman: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)

* podman: moby/go-archive: Arbitrary file write via link following in tar extraction (CVE-2026-17106)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 349528

File Name: rocky_linux_RLSA-2026-69961.nasl

Version: 1.2

Type: Local

Family: Rocky Linux Local Security Checks

Published: 9/23/2026

Updated: 9/25/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.54

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

CVSS Score Source: CVE-2026-56858

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 6.2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-17106

Vulnerability Information

CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:podman-debuginfo, p-cpe:/a:rocky:linux:podman-debugsource, p-cpe:/a:rocky:linux:podman-docker, p-cpe:/a:rocky:linux:podman-plugins-debuginfo, p-cpe:/a:rocky:linux:podman-plugins, p-cpe:/a:rocky:linux:podman-remote-debuginfo, p-cpe:/a:rocky:linux:podman-remote, p-cpe:/a:rocky:linux:podman-tests-debuginfo, p-cpe:/a:rocky:linux:podman-tests, p-cpe:/a:rocky:linux:podman

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/23/2026

Vulnerability Publication Date: 5/12/2026

Reference Information

CVE: CVE-2026-17106, CVE-2026-19730, CVE-2026-33818, CVE-2026-39830, CVE-2026-56853, CVE-2026-56858, CVE-2026-56859, CVE-2026-56860, CVE-2026-56862

IAVA: 2026-A-1049

IAVB: 2026-B-0120, 2026-B-0234

Detections

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